Our production policy isquality first. we have passed US UL, ISO9001 & ISO14000 certification and established green production s We offer LED PCB,FPC,Double Side PCB, Multi-Layer PCB, F4BK PCB, PTFE PCB, Ceramic PCB, Rogers PCB, Aluminum PCB.1,Layers: 1-22 layers2. Material: CME1, CME3, FR4, High TG FR4, Halogen-free FR4, Aluminium, Ceramic, PTFE(F4B, F4BK), Rogers(4003, 4350, 5880), Taconic, ...